CN101784141A - Cluster control method for street lamp loop system - Google Patents
Cluster control method for street lamp loop system Download PDFInfo
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- CN101784141A CN101784141A CN200910003496A CN200910003496A CN101784141A CN 101784141 A CN101784141 A CN 101784141A CN 200910003496 A CN200910003496 A CN 200910003496A CN 200910003496 A CN200910003496 A CN 200910003496A CN 101784141 A CN101784141 A CN 101784141A
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- street lamp
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Abstract
The invention relates to a cluster control method for a street lamp loop system, which comprises the following steps: after defining a working mode switch event signal, switching the working mode of the street lamp loop system to a lighting mode or a data transmission mode according to the working mode switch event signal; in the lighting mode, forming a passage between each street lamp loop and a power supply source through a loop switch unit which is serially connected to a power line loop and a power line loop so as to obtain power supply; and controlling the illumination state of a street lamp of each street lamp loop by a control module of each street lamp loop according to preset control parameter data; in a data transmission mode, forming a data transmission path by a main controller through the loop switch unit and the power line loop and the control module of each street lamp loop, and updating the control parameter data of the control module of each street lamp loop.
Description
Technical field
The present invention relates to a kind of control method of street lamp, particularly relate to a kind of cluster control method of street lamp loop system.
Background technology
Traditional street lamp framework is with the mode sectional power supply of trooping, under energy-saving and cost-reducing demand, the pattern of street lamp power supply, road lamp power supply be with passerby from the peak period, to light a lamp every small cup or to downgrade the mode of supply voltage, reduce the power consumption of street lamp according to this.The kind of street lamp is a lot, comprises sodium gas circuit lamp, electrodeless street lamp, semiconductor road lamp and LED street lamp, wherein with the LED street lamp future suitable potentialization can replace the street lamp of other kind comprehensively.
Summary of the invention
The technical problem that institute of the present invention desire solves
Street lamp adopts every small cup power supply or the mode that downgrades voltage supply and makes in illumination the light and shade district is arranged except meeting, also can cause the grid balance imbalance, also must add timing switch respectively in controlled street lamp path, if in the cycle of reducing power consumption, when being necessary that the cluster street lamp is replied maximum brightness, the puzzlement that is difficult to reply is arranged promptly.And the mode of the integrated keyholed back plate of this kind wiring has the problem of the required great number cost of laying-out pipe trench of deriving to exist again.
For this reason, a purpose of the present invention promptly provides a kind of cluster control method of street lamp loop system, with so that existing power line loop can be used for transmission of electricity and communication, allows the street lamp can be simultaneously or independent work in multiple kenel.
Another object of the present invention promptly provides a kind of cluster control method of street lamp loop system, in order to all street lamps of control of trooping, adjusts the lighting system of each street lamp, cooperates various road conditions demands to do indivedual the adjustment and sets.
The technological means that the present invention deals with problems
The present invention is behind definition one mode of operation handover event signal for solving the technological means that prior art problems adopted, according to mode of operation handover event signal, the mode of operation of a street lamp loop system is switched to light a lamp a pattern or a data-transmission mode; When lighting a lamp pattern, each street lamp loop is via the loop switch unit and power line loop and the supply of electric power source formation path that are series in the power line loop, by supply of electric power source supply electric power, and by a control module of each street lamp loop illumination condition according to the street lamp in default each street lamp loop of Control Parameter Data Control; When data-transmission mode, one master controller forms data transfer path via the control module of loop switch unit and power line loop and each street lamp loop, and master controller upgrades the Control Parameter data of the control module of each street lamp loop via data transfer path.
The present invention contrasts the effect of prior art
Via the technology used in the present invention means, the mode of operation of street lamp loop system is changeable in light a lamp a pattern or a data-transmission mode, make the power line loop except being used to the purposes of transmitting electricity, more changeable is the communication purposes, allow and to intercom mutually between master controller and control module, and, transmit synchronous correction signal, brilliance control ratio, Control Parameter etc. with cluster or individual other calling control mode, finish the communication mechanism that reading and writing data transmits.
Moreover, the street lamp of each street lamp loop is managed by exclusive control module, control module is according to the Control Parameter data of holding record in the memory, cluster control via master controller, complied with different time-period control streetlamps different illumination is arranged, not only may command makes the illumination synchronization lifting of all street lamps, also can be for the street lamp of particular location, make it when brilliance control, be different from other street lamp, the for example heating of cooperated with LED street lamp and do the brightness period, the allotment of brightness ratio, make led array can be engaged in passerby from the peak period alternately to light, mode such as reduce that power is lighted prolongs its useful life.
Description of drawings
Fig. 1 is the system architecture diagram of display street lamp circuit system;
Fig. 2 is for showing the circuit diagram of master controller;
Fig. 3 is the circuit diagram of display control module;
Fig. 4 is for showing the control flow chart of preferred embodiment of the present invention;
Flow chart of steps when Fig. 5 is the display data transmissions pattern;
Fig. 6 is the flow chart of steps of Control Parameter data of the control module of display update street lamp loop;
Flow chart of steps when Fig. 7 lights a lamp pattern for showing;
Fig. 8 is for showing the flow chart of steps of the reference clock of proofreading and correct the control module in each street lamp loop;
Fig. 9 is for showing the flow chart of steps of the illumination condition of regulating street lamp;
Figure 10 is the system architecture diagram of the street lamp loop system of demonstration nido.
[main element symbol description]
100,100a street lamp loop system
1a, 1b, 1c, 1d, 1e, 1f street lamp
12 lamp source voltage stabilizing circuits
13 pulse width modulating control circuits
14 led array
2,2a supply of electric power source
3,3a timing switch
4,4a master controller
41 central control circuits
411 reference clocks
412 memories
The 413 Control Parameter data of trooping
42 power supply/charge control circuits
421 power supply/charge control units
422 battery pack
43 communication feed circuits
431 voltage regulation units
44 system's conversion control circuits
45 audio decoders
451 audio coding unit
46 audio-frequency information transtation mission circuits
461 audio-frequency information transmitting elements
462 amplifiers
47 status display circuits
48 interface communication circuit
49 input checking circuits
491 light perception elements
492 hand hole covers
493 other inductors
5a, 5b, 5c control module
51 central control circuits
511 reference clocks
512 memories
513 Control Parameter data
52 power supply/charge control circuits
521 power supply/charge control units
522 battery pack
53 circuits detect control circuit
54 system's conversion control circuits
55 audio decoders
551 audio coding unit
56 audio-frequency information transtation mission circuits
561 audio-frequency information transmitting elements
562 amplifiers
57 input checking circuits
571 light perception elements
572 hand hole covers
573 other inductors
58 alarm display circuits
6 main control devices
61 coffrets
BR1, BR2, BR3 rectifier
C1 power line loop
C11, C12, C13 street lamp loop
C2 power line loop
C21, C22, C23 street lamp loop
The G earth connection
The L phase line
MCU1, MCU2 CPU
The N neutral line
RY1, RY2, RY3, RY4, RY5, RY6, relay
RY8、RY9
RY1a, RY2a, RY2b, RY3a, RY3b, relay tip
RY4a、RY5a、RY5b、RY6a、RY8a、
RY8b、RY9a、RY9b
T1, T2, T3, T4, T5, T6 coupler
Embodiment
Specific embodiment of the present invention will and attachedly be graphic and be further described by following embodiment.
Consult shown in Figure 1, street lamp loop system 100 is connected with a plurality of street lamp loop C11, C12, C13 in a power line loop C1, each street lamp loop C11, C12, C13 include street lamp 1a, 1b, 1c, and the electric power that power line loop C1 is supplied via a timing switch 3 by a supply of electric power source 2 in order to transmission gives each street lamp loop C11, street lamp 1a, the 1b of C12, C13,1c.Each street lamp 1a, 1b, 1c are connected with and are able to and a master controller 4 control of communication module 5a, 5b, 5c.
Consult shown in Figure 2, master controller 4 includes a central control circuit 41, and central control circuit 41 is connected with a power supply/charge control circuit 42, a communication feed circuit 43, system's conversion control circuit 44, an audio decoder 45, an audio-frequency information transtation mission circuit 46, a status display circuit 47, an interface communication circuit 48 and an input checking circuit 49.
Power supply/charge control circuit 42 includes a power supply/charge control unit 421, a battery pack 422 and coupler T1, T2, be stored in battery pack 422 in order to the electric power that power line loop C1 is transmitted, providing master controller 4 required electric power, and exportable present power supply situation gives CPU MCU1.
System's conversion control circuit 44 includes four relay R Y1, RY2, RY3, RY8, controls the switching of power line loop C1 in order to the stored Control Parameter data 413 of trooping in the cooperation memory 412.
Audio-frequency information transtation mission circuit 46 includes an audio-frequency information transmitting element 461 and an amplifier 462, make relay tip RY1a closure that the audio frequency code is sent through a coupler T3 when CPU MCU1 drives relay R Y1, receive by control module 5a, 5b, 5c.
Consult shown in Figure 3, control module 5a includes a central control circuit 51, and central control circuit 51 is connected with a power supply/charge control circuit 52, a circuit detects control circuit 53, system's conversion control circuit 54, an audio decoder 55, an audio-frequency information transtation mission circuit 56, an input checking circuit 57 and an alarm display circuit 58.
Power supply/charge control circuit 52 includes a power supply/charge control unit 521 and a battery pack 522, be stored in battery pack 522 in order to the electric power that this power line loop C1 is transmitted, so that control module 5a to be provided required electric power, and exportable present power supply situation gives CPU MCU2.
Circuit detects control circuit 53 and includes rectifier BR2, BR3, whether is in the engaged line state in order to detect power line loop C1.System's conversion control circuit 54 includes four relay R Y4, RY5, RY6, RY9, can cooperate Control Parameter data 513 stored in the memory 512 to control the switching of power line loop C1.
Audio-frequency information transtation mission circuit 56 includes an audio-frequency information transmitting element 561 and an amplifier 562, the line is busy can to drive relay R Y4 control relay contact RY4a by CPU MCU2, and it is closed and make the audio frequency code be broadcast to power line loop C1 through a coupler T5 to drive relay R Y6 control relay contact RY6a, is received by master controller 4 or other control module 5b, 5c.
Consult shown in Figure 4ly, it shows the operational flowchart of preferred embodiment of the present invention, and cooperates earlier figures 1 to Fig. 3 that the operational flowchart of preferred embodiment of the present invention is done one simultaneously to be described as follows.At present embodiment is example with street lamp loop C11 only, and remaining street lamp loop C12,13 can analogize because of the function of its element and action, so repeat no more.
Street lamp 1a is a LED street lamp at present embodiment, includes a pulse width modulating control circuit 13 and a led array 14 that a lamp source voltage stabilizing circuit 12, is connected in lamp source voltage stabilizing circuit 12.Certainly street lamp 1a can also be one of semiconductor street lamp, a sodium gas circuit lamp and an electrodeless street lamp.
Power line loop C1 is the transitional street lamps cable, include a phase line L, a neutral line N and a ground wire G, and power line loop C1 is in series with at least one loop switch unit, this loop switch unit is each relay R Y1, RY2, RY3, the RY8 for being controlled by system's conversion control circuit 44 of master controller 4 in the present embodiment, and each relay, RY4, RY5, RY6, the RY9 that are controlled by system's conversion control circuit 54 of control module 5a.
At first, initialization system (step 110), the execution that comes into operation of master controller 4 and control module 5 loading systems.Afterwards, define a mode of operation handover event signal (step 120), and detect this mode of operation handover event signal (step 130), according to this mode of operation handover event signal, the mode of operation of street lamp loop system 100 is switched to light a lamp a pattern or a data-transmission mode.
In the present embodiment, mode of operation handover event signal is produced according to the power supply situation of power line loop C1 by the power supply/charge control circuit 42 of master controller 4 and the power supply/charge control circuit 52 of control module 5a.Monitoring out supply of electric power source 2 when not supplying electric power as yet, do not produce mode of operation handover event signal, and the mode of operation of street lamp loop system 100 is switched to data-transmission mode (step 140) to power line loop C1; And when monitoring out supply of electric power source 2 supply electric power, then produce mode of operation handover event signal to power line loop C1, the mode of operation of street lamp loop system 100 is switched to the pattern of lighting a lamp (step 150).
Present embodiment can cooperate light a lamp the period (the rough 6:00PM of being is to the 6:00AM on next day) of existing street lamp when practical application, and the switching of turn off the light period (the rough 6:00AM to 6:00PM of being) pattern of lighting a lamp and data-transmission mode.Because when street lamp 1a turns off the light the period by day, timing switch 3 can cut off the electric power that is sent to street lamp loop C 11 via power line loop C1, promptly monitor out supply of electric power source 2 and do not supply electric power as yet to power line loop C1 this moment, and the mode of operation of street lamp loop system 100 is switched to data-transmission mode; And street lamp 1a lighting a lamp during the period at night, timing switch 3 can be communicated with, and then monitors out supply of electric power source 2 supply electric power this moment to power line loop C1, and the mode of operation of street lamp loop system 100 is switched to the pattern of lighting a lamp.
Consult shown in Figure 5, the flow chart of steps of its display street lamp circuit system when data-transmission mode.When data-transmission mode, master controller 4 drives relay R Y2 opens relay tip RY2a, RY2b, the phase line L of power line loop C1 and neutral line N and timing switch 3 are become open circuit, so that street lamp loop C11 and supply of electric power source 2 are cut to open circuit (step 141).
And drive relay R Y3 by master controller 4 and make relay tip RY3a, RY3b closure, allow the phase line L of power line loop C1 and neutral line N and master controller 4 become path; And the state that drives relay R Y5 transfer relay contact RY5a, RY5b by control module 5a, make phase line L and the neutral line N of control module 5a and power line loop C1 become path, so that master controller 4 is formed data transfer path (step 142) via the control module 5a of loop switch unit and power line loop C1 and street lamp loop C11.
In addition, also can drive the state of relay R Y8 transfer relay contact RY8a, RY8b by master controller 4, the phase line L of electrification line loop C1 or neutral line N, and the earth connection G of electrification line loop C1; And driving the state that relay R Y9 comes transfer relay contact RY9a, RY9b by control module 5a, the phase line L of electrification line loop C1 or neutral line N, and the earth connection G of electrification line loop C1 form another kind of data transfer path.After forming data transfer path, upgrade the Control Parameter data 513 (step 143) of the control module 5a of street lamp loop C11 through data transfer path thus by master controller 4.
Consult shown in Figure 6, the Control Parameter data 513 of upgrading the control module 5a of street lamp loop C11 receive a new data (step 143a) more by master controller 4 earlier, more new data can be by the user in wired or wireless mode for this, import via interface communication circuit 48, or give master controller 4 via 48 transmission of interface communication circuit by main control device 6 (Figure 10 is consulted in cooperation).The CPU MCU1 of master controller 4 is according to whether having more new data input judge to need to upgrade Control Parameter data 413 (step 143b) the i.e. stored Control Parameter data 413 (step 143c) of trooping in the memory 41 with this renewal Data Update master controller 4 that receives if needed of trooping.
After the Control Parameter of trooping data 413 are upgraded and are finished, drive relay R Y1 by master controller 4 and make relay tip RY1a closure, the Control Parameter of will trooping data 413 are sent through coupler T3, are sent to the control module 5a (step 143d) of street lamp 1a via power line loop C1.With the Control Parameter data 513 (step 143e) in the memory 512 of the Control Parameter data 413 renewal control module 5a that troop, finish the action of renewal by control module 5a.
Consult shown in Figure 7ly, enter when lighting a lamp pattern, proofread and correct the reference clock 511 (step 151) of the control module 511 among the street lamp loop C11 by master controller 4 earlier at street lamp loop system 100.Cooperate shown in Figure 8, the reference clock 511 of proofreading and correct control module 5a reads out the time reference of a reference clock information (step 151a) as whole system by the reference clock 411 of master controller 4 in central control circuit 41, by master controller 4 this reference clock information is sent to control module 5a (step 151b) among the street lamp loop C11 via power line loop C1 then, allow control module 5a with the reference clock 511 (step 151c) in its central control circuit 51 of this reference clock information updating, correction to the reference clock 411 with master controller 4 is same time reference.
After proofreading and correct the reference clock 511 of control module 511, drive relay R Y1 by master controller 4 and make relay tip RY1a closure, the audio frequency code is sent through coupler T3, broadcasting enters the pattern of lighting a lamp and gives control module 5a (step 152) among the street lamp loop C11.
Driving relay R Y3 by master controller 4 afterwards opens relay tip RY3a, RY3b, allow phase line L and neutral line N and master controller 4 become and open circuit, cut off master controller 4 via loop switch unit and power line loop C1 and the formed data transfer path of control module 5a (step 153).And drive relay R Y2 by master controller 4 relay tip RY2a, RY2b are closed, allow the phase line L of power line loop C1 and neutral line N and timing switch 3 become path, so that street lamp loop C11 is formed paths (step 154) via loop switch unit and power line loop C1 and supply of electric power source 2.
Supply of electric power source 2 is in forming path after by the street lamp 1a (step 155) of power line loop C1 supply electric power to the street lamp loop C11, after its supply electric power lamp source voltage stabilizing circuit 12 voltage stabilizings by street lamp 1a earlier, be sent to led array 14 via pulse width modulating control circuit 13, led array 14 is lighted.Pulse width modulating control circuit 13 is controlled by control module 5a, and control module 5a regulates the illumination condition (step 156) of street lamp 1a by control pulse width modulating control circuit 13 according to the Control Parameter data 513 in the memory 512.
Consult shown in Figure 9ly, it show to regulate the flow chart of steps of the illumination condition of street lamp.When regulating the illumination condition of street lamp 1a, read out at that time fiducial time (step 156a) by the reference clock 511 of control module 5a in central control circuit 51, and according to checking the sunrise sunset table and the brightness period of holding record in the Control Parameter data 511 fiducial time of being read.Differentiate in the Control Parameter data 511, sunrise sunset table when this fiducial time and brightness period are preset corresponding brightness ratio (step 156b).Regulate supply voltage by control module 5b according to this brightness ratio control pulse width modulating control circuit 13 then, the brightness of illumination (step 156c) of change street lamp 1a is in order to reach the effect of lighting street lamp 1a in the different periods with different brightness ratios.
Consult shown in Figure 10ly, it shows the system architecture diagram of the street lamp loop system of nido.As shown in the figure, street lamp loop system 100a also includes a power line loop C2.Power line loop C2 is connected with a plurality of street lamp loop C21, C22, C23, each street lamp loop C21, C22, C23 include street lamp 1d, 1e, 1f, and power line loop C2 gives each street lamp 1d, 1e, 1f by a supply of electric power source 2a via the electric power that a timing switch 3a is supplied in order to transmission.Each street lamp 1d, 1e, 1f are connected with and are able to a plurality of control module 5d, the 5e, the 5f that communicate by letter with a master controller 4.
Street lamp loop system 100a is characterised in that master controller 4,4a by interface communication circuit 48 (Fig. 2 is consulted in cooperation), are connected in main control device 6 and become the nido system via a coffret 61.Thus can be by main control device 6 by master controller 4,4a to all control module 5a, 5b, 5c, 5d, 5e, the 5f control of trooping, its control method is identical with aforementioned preferred embodiment, repeats no more.
By above embodiment as can be known, the value on the true tool industry of the cluster control method of street lamp loop system provided by the present invention was so the present invention had accorded with the important document of patent already.But above narration only is preferred embodiment of the present invention explanation, allly is skillful in this skill person when can doing other all improvement according to above-mentioned explanation, but these change and still belong in invention spirit of the present invention and the following claim that is defined.
Claims (10)
1. the cluster control method of a street lamp loop system, it is characterized in that, in order at least one street lamp at least one street lamp loop of control connection in a power line loop, this power line loop is in series with at least one loop switch unit, this street lamp loop is connected in a supply of electric power source via this power line loop, and include a control module in this each street lamp loop, this control module stores at least one pen Control Parameter data in order to the street lighting state of controlling this street lamp loop, at least one master controller connects the control module of this each street lamp loop via this power line loop, and this method comprises the following steps:
(a) definition one mode of operation handover event signal;
(b), the mode of operation of this street lamp loop system is switched to light a lamp a pattern or a data-transmission mode according to this mode of operation handover event signal;
(c) when this lights a lamp pattern, each street lamp loop is via this loop switch unit and this power line loop and this supply of electric power source formation path, by the street lamp of this supply of electric power source supply electric power to each street lamp loop, and by the illumination condition of the control module in this each street lamp loop according to default this street lamp of Control Parameter Data Control;
(d) when this data-transmission mode, this master controller forms data transfer path via the control module of this loop switch unit and this power line loop and this each street lamp loop, is upgraded the Control Parameter data of the control module of this each street lamp loop via this data transfer path by this master controller.
2. the cluster control method of street lamp loop system as claimed in claim 1, it is characterized in that, step (a) is to step (b), this mode of operation handover event signal produces according to the power supply situation in this power line loop, monitoring out this supply of electric power source when not supplying electric power as yet, the mode of operation of this street lamp loop system is being switched to this data-transmission mode to this power line loop; And when monitoring out this supply of electric power source supply electric power, the mode of operation of this street lamp loop system is switched to this pattern of lighting a lamp to this power line loop.
3. the cluster control method of street lamp loop system as claimed in claim 1 is characterized in that, in the step (c), when lighting a lamp pattern, also comprises the step of a reference clock of proofreading and correct the control module in this each street lamp loop.
4. the cluster control method of street lamp loop system as claimed in claim 3 is characterized in that, this step of proofreading and correct the reference clock of the control module in this each street lamp loop comprises the following steps:
(b1) read a reference clock information by this master controller;
(b2) transmit the control module of this reference clock information to this each street lamp loop by this master controller;
(b3) by the reference clock of this each control module with this each control module of reference clock information updating of this reception.
5. the cluster control method of street lamp loop system as claimed in claim 1 is characterized in that, in the step (c), when this lights a lamp pattern, also comprises by this master controller broadcasting entering the step that the pattern of lighting a lamp is given the control module in this each street lamp loop.
6. the cluster control method of street lamp loop system as claimed in claim 1, it is characterized in that, in the step (c), when this lights a lamp pattern, also comprise and cut off the step of this master controller via the formed data transfer path of control module of this loop switch unit and this power line loop and this each street lamp loop.
7. the cluster control method of street lamp loop system as claimed in claim 1 is characterized in that, in the step (c), is comprised the following steps: by the illumination condition of the control module in this each street lamp loop according to default this street lamp of Control Parameter Data Control
(c1) read a fiducial time by this control module;
(c2) by this control module according to checking the sunrise sunset table and the brightness period of holding record in these Control Parameter data this fiducial time of reading, differentiate in these Control Parameter data pairing brightness ratio when this fiducial time;
(c3) change the brightness of illumination of this street lamp according to this brightness ratio by this control module.
8. the cluster control method of street lamp loop system as claimed in claim 1, it is characterized in that, in the step (d), when this data-transmission mode, also comprise this street lamp loop is cut to the step that opens circuit via this loop switch unit and this power line loop and this supply of electric power source.
9. the cluster control method of street lamp loop system as claimed in claim 1, it is characterized in that, in the step (d), when this data-transmission mode, this master controller upgrades the Control Parameter data of the control module of this each street lamp loop via this data transfer path, comprise the following steps:
(d1) transmit the Control Parameter data of trooping by this master controller via this data transfer path and give control module in this each street lamp loop;
(d2) control module of this each street lamp loop is with the Control Parameter data of this control module of Control Parameter Data Update of trooping of this reception.
10. the cluster control method of street lamp loop system as claimed in claim 9 is characterized in that, step (d1) also comprises:
(d11) receive a new data more by this master controller;
(d12) by the troop Control Parameter data of this master controller with this this master controller of renewal Data Update.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910003496A CN101784141A (en) | 2009-01-15 | 2009-01-15 | Cluster control method for street lamp loop system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910003496A CN101784141A (en) | 2009-01-15 | 2009-01-15 | Cluster control method for street lamp loop system |
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| CN101784141A true CN101784141A (en) | 2010-07-21 |
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| CN200910003496A Pending CN101784141A (en) | 2009-01-15 | 2009-01-15 | Cluster control method for street lamp loop system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533694A (en) * | 2012-07-02 | 2014-01-22 | 何伟军 | Multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling |
| CN106774571A (en) * | 2016-11-30 | 2017-05-31 | 江苏丽隽功率半导体有限公司 | A kind of optocoupler voltage-stablizer |
-
2009
- 2009-01-15 CN CN200910003496A patent/CN101784141A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533694A (en) * | 2012-07-02 | 2014-01-22 | 何伟军 | Multi-path illumination controlling apparatus using two alternating-current power lines for realizing power supplying and controlling |
| CN103533694B (en) * | 2012-07-02 | 2018-09-25 | 何伟军 | With the multichannel illumination control apparatus of two the alternating current line of forces power supplies and control |
| CN106774571A (en) * | 2016-11-30 | 2017-05-31 | 江苏丽隽功率半导体有限公司 | A kind of optocoupler voltage-stablizer |
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Application publication date: 20100721 |